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Efficient Implementation of Adaptive Noise Canceller Using FPGA for Automobile Applications

S.Thilagam

This paper presents the architecture and implementation of a real time adaptive NLMS filter for nonstationary noise cancellation in a car environment.The active noise control techniques using adaptive digital filters are very much suitable and well proven.The proposed efficient Adaptive Noise Canceller is realized using Xilinx System Generator 12.3 on Spartan 3E FPGA. System Generator is a DSP design tool from Xilinx that enables the use of The Mathworks model-based design environment ,Simulink for FPGA design.All FPGA implementation steps including Synthesis, place and Route are automatically performed to generate an FPGA programming file and the design is evaluated in terms of speed, hardware resources and power dissipation.